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992 WorkRate1 |
Name : _________________ |
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27 people can do a job in 12 days. How many days would it take if there were only 9 people? |
54 people can do a job in 11 days. How many days would it take if there were only 9 people? |
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| 992 36 20 14 20 50 ( 140 ) 66 30 50 18 15 ( 179 ) [[ 319 ]] | ||
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